.rv-input {
    width: 80px;
    /* height: 60px; */
}

hr {
    opacity: 0.5;
    margin: 13px 0
}

.item {
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin-top: 10px;
    height: 50px;
}

.js {
    height: 40px;
    width: 80%;
    border-radius: 20px;
    background-color: #333333;
    display: flex;
    justify-content: space-between;
    margin: 0 auto;
    color: #fff;
    line-height: 40px;
    margin-bottom: 20px;
}

.js1 {
    width: 80%;
    background-color: #333333;
    border-top-left-radius: 20px;
    border-bottom-left-radius: 20px;
    text-align: left;
    padding-left: 15px;
    color: #fff;

}

.js2 {
    width: 20%;
    background-color: #FF6600;
    /* border-radius: 20px; */
    border-top-right-radius: 20px;
    border-bottom-right-radius: 20px;
    padding-left: 10px;

}


.fk {
    margin-top: 20px;

}

h3 {
    text-align: center;
    margin-top: 0 auto;
}



.zhifu {
    display: flex;
    justify-content: space-around;
    align-items: center;
}

#btn {
    border: none;
    width: 80%;
    height: 40px;
    margin: 0 auto;
    border-radius: 10px;
    background-color: red;
    color: #fff;
    font-size: 20px;
    margin-top: 20px auto;
    margin-left: 30px;

}